Ilkley climate — normals and trends
Ilkley (United Kingdom) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.3 °C and it receives 836 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (14.7 °C on average) and the coldest is January (2.8 °C). Rainfall peaks in August.
Ilkley averages 55 frost days, 0 hot days (≥ 30 °C) and 157 rainy days per year.
Ilkley has warmed by +1.6 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The number of frost days there went from about 76 to 34 per year over the period.
The hottest day of the period reached 34.5 °C (on 19 July 2022) and the coldest -16.3 °C (on 11 December 1981).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
IlkleyEngland
- coords
- 53.92°, -1.82°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.3°C
Average daily high
11.3°C
Average daily low
5.3°C
Annual rainfall
836mm
Sunshine / day
7.2h
Mean relative humidity
84%
Average peak wind
22.3km/h
Seasonal range
11.9°C
Frost days (< 0 °C)
55 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
157 d/yr
Annual snowfall
48.5 cm
Average feels-like high
8.2 °C
Average feels-like low
2.0 °C
Average peak gust
44.5 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.41 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
34.5 °C
19 July 2022
Coldest day
-16.3 °C
11 December 1981
Wettest day
69 mm
10 August 2004
Windiest day
65.8 km/h
24 December 1997
Strongest gust
154.1 km/h
13 January 1984
Hottest feels-like
33.5 °C
19 July 2022
Coldest feels-like
-21.2 °C
25 February 1947
Snowiest day
24.2 cm
13 March 1969
Sunniest day
16.1 h
19 June 2025
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 4.3 °C | -0.6 °C | 99 mm | +25 mm |
| Feb | 6.3 °C | +1.0 °C | 45 mm | -19 mm |
| Mar | 10.5 °C | +2.8 °C | 27 mm | -38 mm |
| Apr | 13.7 °C | +3.3 °C | 11 mm | -52 mm |
| May | 16.1 °C | +2.5 °C | 27 mm | -41 mm |
| Jun | 18.9 °C | +2.4 °C | 64 mm | -3 mm |
| Jul | 20.0 °C | +1.8 °C | 69 mm | -1 mm |
| Aug | 19.8 °C | +2.0 °C | 44 mm | -36 mm |
| Sep | 15.8 °C | +0.3 °C | 130 mm | +63 mm |
| Oct | 12.3 °C | +0.2 °C | 75 mm | +4 mm |
| Nov | 9.0 °C | +1.0 °C | 122 mm | +49 mm |
| Dec | 7.8 °C | +1.9 °C | 117 mm | +40 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Ilkley?
Ilkley has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 8.3 °C and it receives 836 mm of precipitation per year.
What is the hottest day ever recorded in Ilkley?
The hottest day measured in Ilkley between 1940 and 2025 was 19 July 2022, reaching 34.5 °C.
What is the coldest day in Ilkley?
The coldest day measured in Ilkley between 1940 and 2025 was 11 December 1981, at -16.3 °C.
Does it snow in Ilkley?
Yes. Ilkley gets on average 48.5 cm of snow per year and has around 55 frost days.
Has the climate of Ilkley warmed?
Yes: Ilkley warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ilkley?
The wettest day measured in Ilkley between 1940 and 2025 was 10 August 2004, with 69 mm of rain in 24 hours.
What was the windiest day in Ilkley?
The windiest day measured in Ilkley between 1940 and 2025 was 24 December 1997, with winds reaching 65.8 km/h.
What is the warmest month in Ilkley?
The warmest month in Ilkley is July (14.7 °C on average); the coldest is January (2.8 °C).
How much does it rain in Ilkley?
Ilkley receives on average 836 mm of precipitation per year, spread over about 157 rainy days.
Is it sunny in Ilkley?
Ilkley gets on average 7.2 hours of sunshine per day, roughly 2,628 hours per year over 1940-2025.
What is the biggest single-day snowfall in Ilkley?
The heaviest 24-hour snowfall measured in Ilkley between 1940 and 2025 was 13 March 1969, with 24.2 cm.
Are there tropical nights in Ilkley?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Ilkley.
What was the most extreme apparent temperature in Ilkley?
In Ilkley, between 1940 and 2025, the highest apparent temperature reached 33.5 °C on 19 July 2022, and the lowest was -21.2 °C on 25 February 1947.
Compare Ilkley with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ilkley